Extreme Networks ExtremeSwitching X440-G2 Series Hardware Installation Manual page 29

Table 4: X440-G2 Front Panel LEDs
Label or Type
M (Management)
S1, S2 (Stack Management)
FAN
Power Supply Unit (PSU)
Redundant Power Supply
(RPS)
Ethernet Management Port
Other ports
ExtremeSwitching and Summit Switches: Hardware Installation Guide
Color/State
Slow blinking green (1 Hz)
Fast blinking green (2 Hz)
Steady green
Blinking amber
Off
Steady green
Blinking green
Steady green
Blinking amber
Off
Steady green
Blinking amber
Off
Steady green
Blinking amber
Off
Blinking green (left)
Off (left)
Steady green (right)
Off (right)
Steady green
Blinking green
Off
ExtremeSwitching Switches
Meaning
Normal operation
Power-on self test (POST) in progress
or
Switch diagnostics are running
POST passed: system is booting image
System is disabled: POST failed or system
overheated
No external power is attached
Link OK on the indicated stacking port
Activity on the indicated stacking port
Normal operation
Failure
No power
Normal operation
Input or output power failure
No board power
Normal operation
Power failure
When RPS is present, no supply from PSU
No RPS PSU is attached
Activity on the indicated port
Link OK
Activity on the indicated port
Link OK
No link, or port disabled
Link OK
Activity on the indicated port
No link, or port disabled
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